Home / 262,774.20-393,707.70-122,244.60

Finding the Fourth Proportional to 262,774.20, 393,707.70 and 122,244.60

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Solution

The fourth proportional to 262,774.20, 393,707.70 and 122,244.60 is: 183,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,774.20 : 393,707.70 = 122,244.60 : x
  2. Step 2: Convert to fraction form
    262,774.20/393,707.70 = 122,244.60/x
  3. Step 3: Cross multiply
    262,774.20x = 393,707.70 × 122,244.60
  4. Step 4: Simplify right side
    262,774.20x = 48,128,640,303.42
  5. Step 5: Solve for x
    x = 48,128,640,303.42/262,774.20
  6. Step 6: Final answer
    x = 183,155.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.